Joseph B. Callaghan, Inc.
Your Structure. Our Solution.
Philadelphia, PA+1
Explore capabilities, project experience, and office locations to build your shortlist.
Your Structure. Our Solution.
Philadelphia, PA+1
Global Engineering and Disaster Risk Management Firm

Ingenuity and precision in structural engineering
Seattle, WA

We're Architects, Planners & Engineers
Emeryville, CA+4

Providing Structural Engineering Solutions Since 1965
Old Saybrook, CT
Architecture and New Construction.
Boise, ID+2
Building Systems Engineering and Adaptive Reuse.
Solvang, CA

Structural Design, Analysis and Restoration
Alum Creek, WV

We are a collective of architects, designers, engineers, and planners working together to build a better future.
Chicago, IL+6

Bringing Architectural Visions to Life
Pittsburgh, PA+2